DE1049361B - - Google Patents
Info
- Publication number
- DE1049361B DE1049361B DENDAT1049361D DE1049361DB DE1049361B DE 1049361 B DE1049361 B DE 1049361B DE NDAT1049361 D DENDAT1049361 D DE NDAT1049361D DE 1049361D B DE1049361D B DE 1049361DB DE 1049361 B DE1049361 B DE 1049361B
- Authority
- DE
- Germany
- Prior art keywords
- water
- hood
- travel
- jets
- filter sand
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- 238000004140 cleaning Methods 0.000 claims description 11
- 239000004576 sand Substances 0.000 claims description 10
- 238000001764 infiltration Methods 0.000 claims description 6
- 238000011010 flushing procedure Methods 0.000 claims description 4
- 238000005406 washing Methods 0.000 claims description 4
- 206010016256 Fatigue Diseases 0.000 claims 2
- 239000008237 rinsing water Substances 0.000 claims 2
- 239000000356 contaminant Substances 0.000 claims 1
- 102000010637 Aquaporins Human genes 0.000 description 1
- 108010063290 Aquaporins Proteins 0.000 description 1
- 210000003903 Pelvic Floor Anatomy 0.000 description 1
- 244000052616 bacterial pathogens Species 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000000717 retained Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
- B01D24/02—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with the filter bed stationary during the filtration
- B01D24/20—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with the filter bed stationary during the filtration the filtering material being provided in an open container
- B01D24/205—Downward filtration without specifications about the filter material supporting means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
- B01D24/46—Regenerating the filtering material in the filter
- B01D24/4605—Regenerating the filtering material in the filter by scrapers, brushes, nozzles or the like placed on the cake-side of the stationary filtering material and only contacting the external layer
- B01D24/4621—Regenerating the filtering material in the filter by scrapers, brushes, nozzles or the like placed on the cake-side of the stationary filtering material and only contacting the external layer by nozzles acting on the cake side of the filter material, or by fluids acting in co-current direction with the feed stream
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
- B01D24/46—Regenerating the filtering material in the filter
- B01D24/4631—Counter-current flushing, e.g. by air
- B01D24/4636—Counter-current flushing, e.g. by air with backwash shoes; with nozzles
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Cleaning In General (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1049361B true DE1049361B (fr) | 1959-01-29 |
Family
ID=590004
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT1049361D Pending DE1049361B (fr) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE1049361B (fr) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2239385A1 (de) * | 1972-08-10 | 1974-02-21 | Werner Doppstadt | Vorrichtung zum reinigen von filterbecken bei der trinkwasserbereitung |
| FR2488519A1 (fr) * | 1980-08-18 | 1982-02-19 | Clendenen Frank | Systeme de filtrage modulaire |
| EP0310221A1 (fr) * | 1987-10-02 | 1989-04-05 | Thames Water Utilities Limited | Appareil pour le nettoyage des filtres à sable lent |
-
0
- DE DENDAT1049361D patent/DE1049361B/de active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2239385A1 (de) * | 1972-08-10 | 1974-02-21 | Werner Doppstadt | Vorrichtung zum reinigen von filterbecken bei der trinkwasserbereitung |
| FR2488519A1 (fr) * | 1980-08-18 | 1982-02-19 | Clendenen Frank | Systeme de filtrage modulaire |
| EP0310221A1 (fr) * | 1987-10-02 | 1989-04-05 | Thames Water Utilities Limited | Appareil pour le nettoyage des filtres à sable lent |
| US4911831A (en) * | 1987-10-02 | 1990-03-27 | Thames Water Authority | Slow sand filters |
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